British Standard PB2
Indian Standard
Nominal Composition 88/12
Tensile Strength (kg/mm2) 22-31
Elongation % on 2" 5-15
Brinell Hardness 75-110
Typical Uses

Gear and worn wheels

Name Phosphorous Bronze
BS PB2
Element Min Max
  % %
Copper Rem -
Tin 11.20 13.00
Zinc - 0.30
Lead - 0.50
Phosphorous 0.25 0.60
Nickel - 0.50
Iron - 0.10
Aluminium - 0.01
Manganese - -
Antimony - -
Iron + Arsenic - -
Impurities - 0.20